<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<!--轮播图区域-->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		
		<!--商品信息区-->
		<view class="goods-info-box">
			<!--商品价格-->
			<view class="price">￥{{goods_info.goods_price}}</view>
			<!--商品信息主体区域-->
			<view class="goods-info-body">
				<!--商品名字-->
				<view class="goods-name">{{goods_info.goods_name}}</view>
				<!--收藏-->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!--运费-->
			<view class="yf">快递：免运费</view>
		</view>
		
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		
		<!--商品导航组件区域-->
		<view class="goods_nav">
			<uni-goods-nav :options="options" :fill="true" :button-group="buttonGroup" @click="onClick"
							@buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {mapState , mapMutations,mapGetters} from 'vuex'
	
	export default {
		computed:{
			//把m_cart页面的cart数组映射过来作为一个计算属性
			...mapState('m_cart',[]),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			// total(newVal){
			// 	const findResult = this.options.find(x=>x.text==='购物车')
			// 	if(findResult){
			// 		findResult.info=newVal
			// 	}
			// }
			total:{
				handler(newVal){
						const findResult = this.options.find(x=>x.text==='购物车')
						if(findResult){
							findResult.info=newVal
						}
				},
				immediate:true
			}
		},
		data() {
			return {
				goods_info:{},
				options: [
								{
									icon: 'shop',
									text: '店铺',
									infoBackgroundColor: '#007aff',
									infoColor: "#f5f5f5"
								}, {
									icon: 'cart',
									text: '购物车',
									info: 0
								}],
								buttonGroup: [{
										text: '加入购物车',
										backgroundColor: 'linear-gradient(90deg, #FFCD1E, #FF8A18)',
										color: '#fff'
									},
									{
										text: '立即购买',
										backgroundColor: 'linear-gradient(90deg, #FE6035, #EF1224)',
										color: '#fff'
									}
								],
								customButtonGroup: [{
										text: '加入购物车',
										backgroundColor: 'linear-gradient(90deg, #1E83FF, #0053B8)',
										color: '#fff'
									},
									{
										text: '立即购买',
										backgroundColor: 'linear-gradient(90deg, #60F3FF, #088FEB)',
										color: '#fff'
									}
								],
								customButtonGroup1: [{
									text: '立即购买',
									backgroundColor: 'linear-gradient(90deg, #FE6035, #EF1224)',
									color: '#fff'
								}]
				
			};
		},
		onLoad(options){
			const goods_id=options.goods_id
			this.getGoodsDetail(goods_id)
		},
		methods:{
			//将方法映射过来
			...mapMutations('m_cart',['addToCart']),
			async getGoodsDetail(goods_id){
				const {data:res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
				if(res.meta.status!==200) return uni.$showMsg()
				
				res.message.goods_introduce=res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g,'jpg')
				this.goods_info=res.message
			},
			preview(i){
				uni.previewImage({
					//预览时，默认显示图片的索引
					current:i,
					//所有图片的url地址的数组
					urls:this.goods_info.pics.map(x => x.pics_big)
				})
			},
			onClick(e) {
				console.log(e)
				if(e.content.text==='购物车'){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
			},
			buttonClick(e){
				if(e.content.text==='加入购物车'){
					//组织商品的信息对象
					//{goods_id,goods_name,goods_price,goods_count,goods_small_logo,goods_state}
					const goods={
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
						
					}
					//调用addToCart方法
					this.addToCart(goods)
				}
				
				
			}
		}
	}
</script>

<style lang="scss">
swiper{
	height:750rpx;
	
	image{
		width:100%;
		height:100%
	}
}

.goods-info-box{
	padding:10px;
	padding-right:0;
	.price{
		color:#C00000;
		font-size: 18px;
		margin:10px 0;
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		.goods-name{
			font-size: 13px;
			margin-right:10px
		}
		.favi{
			width:120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			border-left:1px solid #efefef;
			color:gray
		}
	}
	
	.yf{
		font-size: 12px;
		color:gray;
		margin:10px 0;
	}
}
.goods_nav{
	position:fixed;
	bottom: 0;
	left: 0;
	width: 100%;
}
.goods-detail-container{
	padding-bottom: 50px;
}
</style>
